var debug          = require('debug')('ff:tcrud:config');
var configRegistry = require('./config-registry');
var configUtil     = require('./config-util');

var mod = (function () {
	
	return function TCrudConfig() {
		
		this.getClientJSResources = function() {
			return configRegistry.getMasterConfig().clientJSResources;
		};
		
		this.getClientCSSResources = function() {
			return configRegistry.getMasterConfig().clientCSSResources;
		};
		
		this.getBackend = function(backendId) {
			return configRegistry.getMasterConfig().backends[backendId];
		};
		
		this.getRootTEntity = function() {
			return configRegistry.getRootTEntity();
		};
		
		this.createTEntityNode = function(parent, tid, modelKeys, viewKeys) {
			configRegistry.assertPhaseConfig();
			var result = configUtil.clone(parent);
			result.tchilds = [];
			
			result.tid = tid;
			parent.tchilds.push(result);
			result.tparent = parent;
			if (modelKeys) {
				if (Array.isArray(modelKeys)) {
					result.tmeta.tmodel.tkeys = modelKeys;
				} else {
					result.tmeta.tmodel.tkeys.push(modelKeys);
				}
			}
			if (viewKeys) {
				if (Array.isArray(modelKeys)) {
					result.tkeys = viewKeys;
				} else {
					result.tkeys.push(viewKeys);
				}
			}
			return result;
		};
		
		this.createTEntity = function(parent, tid, modelKeys, viewKeys) {
			configRegistry.assertPhaseConfig();
			debug('createTEntity.tid: %s',tid);
			var result = module.exports.createTEntityNode(parent,tid,modelKeys,viewKeys);
			result.tmeta.tmodel.tid = tid;
			return result;
		};
		
		this.createTField = function(parent, tid) {
			configRegistry.assertPhaseConfig();
			debug('createTField.tid: %s',tid);
			var result = configUtil.clone(configRegistry.getMasterTemplates().masterTFieldTemplate);
			result.tid = tid;
			parent.tmeta.tfields[tid] = result;
			return result;
		};
		
		this.createTView = function(tentity) {
			debug('createTView: %s',tentity.tid);
			configRegistry.assertPhaseServer();
			var result = configUtil.clone(configRegistry.getMasterTemplates().masterTViewTemplate);
			result.tid = tentity.tid;
			configUtil.copyByTemplate('tview',result,tentity,configRegistry.getMasterTemplates().masterTViewTemplate);
			configRegistry.pluginCall('fillTView',{tview: result,tentity: tentity});
			return result;
		}
	};
})();

module.exports = new mod;